diff --git a/Gemfile.lock b/Gemfile.lock
index 192ade3..14dc939 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -95,26 +95,30 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.2)
     msgpack (1.3.3)
     msgpack (1.3.3-x64-mingw32)
     msgpack (1.3.3-x86-mingw32)
     nio4r (2.5.4)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.10-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.10-x86-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
+    nokogiri (1.11.4-x64-mingw32)
+      racc (~> 1.4)
+    nokogiri (1.11.4-x86-mingw32)
+      racc (~> 1.4)
     pg (1.2.3)
     pg (1.2.3-x64-mingw32)
     pg (1.2.3-x86-mingw32)
     public_suffix (4.0.6)
     puma (4.3.6)
       nio4r (~> 2.0)
+    racc (1.5.2)
     rack (2.2.3)
     rack-proxy (0.6.5)
       rack